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OSL Calibration Procedures
In Cable and Antenna Analyzer Mode, if the
Cal Off
message is displayed, or the test port
cable has been changed, a new calibration is required. The following procedures detail how
to perform the OSL calibration.
Standard OSL Calibration
Step 1. Select OSL Cal by pressing the SYS key, followed by the
Application Options
soft key. The currently selected calibration method is indicated at the bottom of
the status window. Use the
CAL Mode
soft key to select the OSL calibration
method.
Step 2. Select the appropriate frequency range, as described on page 3-2.
Step 3. Press the START CAL key. The message “
Connect OPEN or INSTACAL mod-
ule to RF Out Port
” will appear in a message box, with the calibration type in the
message box title bar.
Step 4. Connect the calibrated Open and press the ENTER key. The messages “
Mea-
suring OPEN
” and “
Connect SHORT to RF Out
” will appear.
Step 5.
Remove the Open, connect the calibrated Short and press the ENTER key. The
messages “
Measuring SHORT
” and “
Connect LOAD to RF Out
” will appear.
Step 6. Remove the Short, connect the calibrated Termination and press the ENTER
key. The message “
Measuring LOAD
” will appear. An audible tone will sound
when the calibration is complete.
Step 7. Verify that the calibration has been properly performed by checking that the
Cal
ON
message is now displayed in the upper left corner of the display.
3-4
Chapter 3 Getting Started
HOLD
RUN
START
CAL
AUTO
SCALE
SAVE
SETUP
RECALL
SETUP
LIMIT MARKER
SAVE
DISPLAY
RECALL
DISPLAY
PRINT
MODE FREQ/DIST
AMPLITUDE MEAS/DISP
SYS
ENTER
CLEAR
ESCAPE
ON
OFF
/
1 2
4
5 6
7 8
9 0
3
+
-
.
S332D
OPEN
LOAD
SHORT
CALIBRATION
RFOUT/REFLECTION
TEST PORT
TEST PORT CABLE (OPTIONAL)
Figure 3-2. Calibration Setup